Check for missing file.

diff --git a/STEER/ReadAOD.C b/STEER/ReadAOD.C
index bb6a59d74691d3b1267be9c8db8e59a3a361fbf7..991ff3e143bbdd37dc193fc41e80d75a24171b63 100644 (file)
--- a/STEER/ReadAOD.C
+++ b/STEER/ReadAOD.C
@@ -16,8 +16,10 @@ void ReadAOD(const char *fileName = "AliAOD.root") {
 
   // open input file and get the TTree
   TFile inFile(fileName, "READ");
+  if (!inFile.IsOpen()) return;
 
   TTree *aodTree = (TTree*)inFile.Get("aodTree");
+
   AliAODEvent *ev = new AliAODEvent();
   ev->ReadFromTree(aodTree);
 
@@ -28,7 +30,7 @@ void ReadAOD(const char *fileName = "AliAOD.root") {
 
     // read events
     aodTree->GetEvent(nEv);
-    
+
     //print event info
     ev->GetHeader()->Print();